Faulting, Folding and Earthquakes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Focus | Deep below surface where earthquake starts
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Epicenter | Point on earths surface directly above focus where earthquake is strongest
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Seismograph | Instrument used to measure and record the seismic waves
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Richter Scale | The scale used to measure the magnitude of an earthquake
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Tsunami | Caused by an underwater earthquake. Massive waves.
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Liquifaction | Liquefaction is a phenomenon in which the strength and stiffness of a soil is reduced by earthquake shaking or other rapid loading.
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Compression | Squeezes and shortens rock, causes faulting and folding.
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Tension | Stretches body of rock.
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Shearing | Fractures rock and pushes sections past each other.
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Anticline | When rocks are compressed the layers are pushed upwards forming these.
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Syncline | When rocks are compressed and pushed downwards
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Scarp | The exposed section of a normal fault
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Tear Fault | A fracture in rock when one rock moves sideways past another rock
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Normal Fault | When crust is extended until a fault occurs
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Reverse Fault | When the earths crust is compressed until a fault occurs
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Created by:
ben lynch
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